Boktor on Nostr: Do you mean logs on one extremely long line? Emacs 31.1 doesn't have changes for that ...

Do you mean logs on one extremely long line? Emacs 31.1 doesn't have changes for that specifically. The 29.1 release from a couple years back did introduce some optimizations for handling long lines, along with the `long-line-threshold` variable to control when these optimizations kick in.